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Full Discussion: Copy data over a TB
Operating Systems Solaris Copy data over a TB Post 302584482 by hombreopaco on Friday 23rd of December 2011 10:52:45 AM
Old 12-23-2011
Copy data over a TB
Hi vishalaswani, there is a big difference in the copy performance of a filesystem if you have a lot of little files or a few big files, I think that if you are in the first case, you can use the command you explain, but if you are in the second case, perhaps you can try rsync, it will be faster, the command will be, for instance:

rsync -Havx ORIGINAL_FOLDER DESTINATION_FOLDER

Where DESTINATION_FOLDER can be a local folder or something like server:/folder, whit this parameters you will have a mirror copy, including the links. You can use -e rsh in order to avoid the default ssh option. Of course, if the folder structure is really big, you can launch a "foreach" command whit a rsync by folder, so you can copy several folders at the same time which can not be done with ufsdump. I'm copying around 4,5TB all nights from my NFS main server to a slow disk machines which a script based in this idea.

Also, you can use the same command with tar instead of ufsdump, it's a little bit faster, but remember the E option if you use long names.
 

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LEARN ABOUT OSF1

mhpath

mhpath(1)						      General Commands Manual							 mhpath(1)

NAME

       mhpath - print full pathnames of MH messages and folders (only available within the message handling system, mh)

SYNOPSIS

       mhpath [+foldername] [msgs] [-help]

OPTIONS

       Prints a list of the valid options to this command.

DESCRIPTION

       Use  the  mhpath command to display the full pathname of the specified folder. If you do not specify a folder, mhpath displays the pathname
       of the current folder.

       If you specify a message with its message number, mhpath displays the pathname of the specified message. You can also specify a	number	of
       messages,  or a range of messages. If the top of the range that you specify is greater than the last message in the folder, mhpath displays
       as much of the specified range as possible.

       Additionally mhpath can take a keyword or a sequence name. The following keywords are acceptable: The first message  in	the  folder.   The
       last  message in the folder.  The message after the last message in the folder. You cannot use new as part of a message range.  The current
       message in the folder.  The message before the current message.	The message after the current message.	All of the messages in the folder.

PROFILE COMPONENTS

       Path: To determine your Mail directory

EXAMPLES

       In the following example, mhpath displays message 3 in the folder +inbox: % mhpath +inbox 3 /r/phyl/Mail/inbox The following  example  dis-
       plays  the  pathname  of messages 2 to 5 in the current folder: % mhpath 2-5 /r/phyl/Mail/inbox/2 /r/phyl/Mail/inbox/3 /r/phyl/Mail/inbox/4
       /r/phyl/Mail/inbox/5

FILES

       The user profile.

SEE ALSO

       folder(1)

																	 mhpath(1)
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